Head-to-Head Pricing Benchmark

Anthropic: Claude Opus 4 vs Anthropic: Claude Opus 4.5

Side-by-side pricing and context window comparison for production model selection.

Input delta: $10Output delta: $50Monthly delta: $4,200

Default Recommendation (120M input + 60M output)

Anthropic: Claude Opus 4.5 is lower-cost for the default monthly workload scenario.

Adjust the workload in the calculator below to see a live recommendation for your usage.

MetricAnthropic: Claude Opus 4Anthropic: Claude Opus 4.5
Developeranthropicanthropic
Context Window200,000200,000
Max Output Tokens32,00064,000
Input Cost / 1M Tokens$15.00$5.00
Output Cost / 1M Tokens$75.00$25.00
Projected Monthly Cost$6,300$2,100
Vision✅ Yes✅ Yes
Tool Calling✅ Yes✅ Yes
Structured Output❌ No✅ Yes
Reasoning✅ Yes✅ Yes
Web Search❌ No❌ No
TokenizerClaudeClaude
MMLU Score69.669.6
GPQA48.948.9

Price History

Anthropic: Claude Opus 4 Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7Mar 17
$15.00$45.00$75.00Mar 7Mar 10Mar 12Mar 15Mar 17

Current Input / 1M

$15.00

Current Output / 1M

$75.00

Price History

Anthropic: Claude Opus 4.5 Pricing Trend

Input / 1M tokens0.0%Output / 1M tokens0.0%
Mar 7Mar 17
$5.00$15.00$25.00Mar 7Mar 10Mar 12Mar 15Mar 17

Current Input / 1M

$5.00

Current Output / 1M

$25.00

Cost Calculator

Adjust your workload to see projected monthly costs.

01.0B
0500M

Anthropic: Claude Opus 4

$6,300

per month

Anthropic: Claude Opus 4.5

$2,100

per month

Lower cost

Live Recommendation

Anthropic: Claude Opus 4.5 is lower-cost at 120M input + 60M output tokens/month.

Anthropic: Claude Opus 4.5 saves $4,200/mo at this workload
Open Anthropic: Claude Opus 4 model pageOpen Anthropic: Claude Opus 4.5 model page

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